Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Design

Pressure Relief Valve

  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the sys ...

Refrigerant Circuit with Expansion Valve and Evaporator

1 -  Evaporator 2 -  Expansion Valve 3 -  Valve for extracting, filling and measuring ...

Other materials:

Indicator lamps
First read and observe the introductory information and safety warnings  Lit up Possible cause Solution The start/stop system is not available. Automatic engine switch-off is active. Take your foot off the brake to start the ...

Warranty Test, Performing
  WARNING Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must not be used! There is a risk of explosion during testing, cha ...

Physical Principles
The four known states of water also apply to air conditioning system refrigerants. 1 -  gaseous (invisible) 2 -  vapor 3 -  fluid 4&nbs ...